150 lines
3.6 KiB
C
150 lines
3.6 KiB
C
/*
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* Copyright (C) 2012 - Juan Ferrer Toribio
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "vn-batch.h"
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/**
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* SECTION: vn-batch
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* @Short_description: a group of objects
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* @Title: VnBatch
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*
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* A group of GObjects.
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*/
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static void vn_batch_buildable_interface_init (GtkBuildableIface * iface);
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G_DEFINE_TYPE_WITH_CODE (VnBatch, vn_batch, G_TYPE_OBJECT,
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G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,
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vn_batch_buildable_interface_init)
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);
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//+++++++++++++++++++++++++++++++++++++++++++++++++++ Methods
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/**
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* vn_batch_add:
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* @obj: a #VnBatch
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* @child: a #GObject
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*
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* Adds a child identified whith @id to the group.
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**/
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void vn_batch_add (VnBatch * obj, GObject * child)
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{
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g_return_if_fail (VN_IS_BATCH (obj));
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g_return_if_fail (G_IS_OBJECT (child));
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obj->objects = g_list_prepend (obj->objects, child);
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obj->count++;
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}
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/**
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* vn_batch_remove:
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* @obj: a #VnBatch
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* @child: a #GObject contained by @obj
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*
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* Removes a child from the group.
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**/
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void vn_batch_remove (VnBatch * obj, GObject * child)
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{
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g_return_if_fail (VN_IS_BATCH (obj));
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obj->objects = g_list_remove (obj->objects, child);
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obj->count--;
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}
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/**
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* vn_batch_get_objects_list:
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* @obj: a #VnBatch
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*
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* Returns all the #GObject<!-- -->s in @obj, copying the list. This method is
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* mainly for internal use, use vn_batch_get_objects() instead if you don't need
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* to do further use of the list of objects.
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*
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* Return value: (transfer container) (element-type GObject): a #GList with all
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* the objects, that must be freed with #g_list_free
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**/
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GList * vn_batch_get_objects_list (VnBatch * obj)
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{
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g_return_val_if_fail (VN_IS_BATCH (obj), NULL);
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return g_list_copy (obj->objects);
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}
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/**
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* vn_batch_get_objects:
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* @obj: a #VnBatch
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*
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* Returns all the #GObject<!-- -->s in @obj.
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*
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* Return value: (transfer none) (element-type GObject): a #GList with all
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* the objects, that must not be freed
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**/
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const GList * vn_batch_get_objects (VnBatch * obj)
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{
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g_return_val_if_fail (VN_IS_BATCH (obj), NULL);
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return obj->objects;
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}
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/**
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* vn_batch_get_length:
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* @obj: a #VnBatch
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*
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* Returns the number of childs currently contained in @obj.
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*
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* Return value: the number of childs
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**/
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guint vn_batch_get_length (VnBatch * obj)
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{
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g_return_val_if_fail (VN_IS_BATCH (obj), 0);
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return obj->count;
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}
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static void vn_batch_buildable_add_child (GtkBuildable * obj,
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GtkBuilder * builder, GObject * child, const gchar * type)
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{
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vn_batch_add (VN_BATCH (obj), child);
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}
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//+++++++++++++++++++++++++++++++++++++++++++++++++++ Class
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static void vn_batch_init (VnBatch * obj)
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{
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obj->objects = NULL;
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obj->count = 0;
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}
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static void vn_batch_finalize (VnBatch * obj)
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{
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GObjectClass * parent = g_type_class_peek_parent (VN_BATCH_GET_CLASS (obj));
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g_list_free (obj->objects);
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parent->finalize (G_OBJECT (obj));
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}
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static void vn_batch_class_init (VnBatchClass * klass)
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{
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GObjectClass * k = G_OBJECT_CLASS (klass);
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k->finalize = (GObjectFinalizeFunc) vn_batch_finalize;
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}
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static void vn_batch_buildable_interface_init (GtkBuildableIface * iface)
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{
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iface->add_child = vn_batch_buildable_add_child;
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}
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